Eyestrain is also known as Asthenopia. Having eyestrain is very common and is not considered as a serious condition. It is more like a symptom than the disease itself. Eyestrain does not cause eye injury or any permanent damage. It is rather an annoying condition.

Eye Anatomy
Eye is a complex and vital organ of the body and is one of the five senses. Main components of the eye are Cornea, Iris, Pupil, Lens and Retina. Just like any other part of the body, eyes also have blood and nerve supply and is supported by group of eye muscles.

Muscles of the eye
Extra ocular muscles are located outside the eye and hold the eyeball within the orbit. They are responsible for eyeball and eyelid movement. They are

Levator palpebrae superioris
Superior rectus
Inferior rectus
Medial rectus
Lateral rectus
Inferior oblique
Superior oblique
How do my eyes get tired (Eyestrain)?
Eyes are supported by muscles and like any other muscle of the body, after extended use, muscle fatigue leads to strained eyes. Focussing on task for longer periods can develop muscle tiredness.

Dry eyes
Itching or burning in the eyes
Blurred vision
Poor concentration
Light sensitivity ( Photophobia )
Main reason for eye strain is due to indulgence in activities like reading, writing, driving and focussing on smaller objects for long periods.

Electronic equipments
Long Screen hours are a major concern today as we are surrounded by gadgets all around us. Whether it is desktop work in the offices or using our smart phones. People who look at screens continuously for more than two hours are prone to have eyestrain. Sometimes underlying eye muscle imbalance worsens the condition.

Continuous driving
Driving long distances and continuous focus on the road, leads to tired eyes. Glare from the other cars headlamp makes driving stressful, as stressed eyes find it difficult to adjust to different lighting conditions.

Poor posture while watching television, low height adjustment of computer screen can make the eye muscle strained.

How can I reduce Eyestrain
20-20-20 rule – After every 20 minutes of continuous work, look away 20 feet for 20 seconds.
Reduce time spent on single activity.
Use right light – Adjust screen brightness according to the background as frequently changing light can cause eyestrain.
Maintain right posture and screen height to reduce eye, head and neck movement.
Use glare filter for screens and eyeglasses.
Blinking more often and using lubricating Eye drops can help in easing out any strain.
Use of sunglasses while going outdoors or working in an atmosphere where bright light is present helps to relieve eye strain.
To schedule an appointment with one of our experts or to know more about our various corrective and treatment modalities, feel free to contact us +91 9137462795 or visit

1) Ojas Eye Hospital (Bandra)
Roseland Building, Junction of Linking Road and Waterfield Road, Bandra, Mumbai- 400050. India.
+91 22 61549999 / 26405951 / 26514066

2) Ojas Eye Hospital (Kandivali)
Jivala Pada Road, Behind Gokul Corcord Tower, Thakur Village, off Western Express Highway, Kandivali ( East) Mumbai – 400 101
022 2886 9999 / 2884 6324

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